Compare and contrast the mechanisms of egg activation in internal versus external fertilization.

Q: Explain why the embryonic period is so important.

A: The embryonic stage of gestation is that the amount once implantation, throughout that all of the…

Q: Discuss the different types of eggs based on yolk content and give example.

A: Introduction Reproduction is a biological process in which a parent is responsible for producing…

Q: Discuss the process and pathways of fertilzation in turtles. Also provide or show a diagram how does…

A: In Males there's have one or two penises that pass sperm from their cloaca to the cloaca of a female…

Q: Describe the major events that transform a fertilized egg into an embryo?

A: BASIC INFORMATION  FERTILIZATION  It is the process of the fusion of the male as well as the female…

Q: Describe the events that follow contact of a spermatozoon with an egg and explain Polyspermy and the…

A: The term "embryogenic development" is sometimes used. This procedure involves the embryo's creation…

Q: Compare and contrast the stages of oogenesis and spermatogenesis.

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

Q: Describe the fertilization process and how an egg prevents fertilization by more than one sperm?

A: The reproductive system of the body is one of the important systems of the human body which ensures…

Q: How does oviposition occurs in female turtles. Provide the pathway involved in the oviposition…

A: Answer :- As we know that Males have a couple of penises that pass sperm from their cloaca to the…

Q: Explain why fertilization requires more than one sperm.

A: The zone pellucida is seen as a dense, transparent girdle surrounded by the Corona radiata cells.…

Q: Compare and contrast neurulation and organogenesis

A: NEURULATION Following the gastrulation , the ectoderm gives rise to the epithelial and neural…

Q: Define segmentation, and give two examples of segmented structures in the embryo.

A: The science that investigates the processes by which multicellular organisms like plants and animals…

Q: Contrast the biological advantages of hermaphroditism that involves cross-fertilization with…

A: Hermaphroditism is referred to as intersex which is a condition in which there is a discrepancy…

Q: Compare and contrast the initiation of zygotic DNA replication in internal versus external…

A: INTRODUCTION Sexual reproduction starts with the combination of a sperm and an egg during a process…

Q: Distinguish between modes of mesoderm formation

A:

Q: What would happen if two sperm fertilized the same egg cell? If twosperm fertilized two egg cells?

A: Step 1 Fertilization and implantation is the process of fusion of two types of gametes (spermatozoa…

Q: Compare the structures of the egg and sperm. What structural modifications do sperm have that…

A: The process of producing new organisms from the pre-existing ones is called reproduction. It may be…

Q: List and explain the steps involved in fertilization

A: The fertilization has the following steps are as follows:1. Sperm Capacitation2. Sperm-Zona…

Q: Describe the steps involved in fertilization.

A: Male gametes are called as sperms while female gametes are called as egg/ova. Fusion of male and…

Q: Contrast embryonic development with fetal development.

A: Embryology is the branch of biological sciences that studies the formation and development of…

Q: Describe what happens during the first days of embryonic development from the first cell division…

A: Human embryo development occurs through cell division and the differentiation of cells. Human embryo…

Q: What determines the sex of the fertilized egg? Please provide examples like research experiments…

A: Fertilization occurs when a sperm cell encounters an egg cell successfully in the fallopian tube.…

Q: Explain the way in which the egg gets prepared for fertilization during oogenesis.

A: The process through which the male and female gametes combine to create the zygote is known as…

Q: Explain the major developmental events that occur during the embryonic period.

A: Introduction:Embryonic development is an 8-week process and has phases of development during which…

Q: If the egg is not fertilized in mammals, the endometrium is shed as

A: Introduction: The inner layer is the endometrium. During a woman's menstrual cycle, hormones cause…

Q: How is an egg (oocyte) prepared during oogenesis for fertilization? Why is preparation essential to…

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…

Q: Does the distribution of Ca²+ in an egg correlate with formation of the fertilization envelope?

A: During fertilization, sperm-induced rise in cytoplasmic Ca2+concentration.

Q: Poor embryonic development occurs because ____________________________.

A: After fertilization, a single celled diploid zygote is formed, which later develops into…

Q: Compare and contrast gametogenesis in starfish and sea urchin.

A: Answer--

Q: t causes an egg to grow in the ovary.

A: Answer: Luteinizing hormone (LH), the other reproductive pituitary hormone, aids in egg maturation…

Q: The embryonic stage is completed by the end of the ___________________ week of development.

A: Embryonic development or embryogenesis is the mechanism or process by which an embryo. forms and…

Q: Compare and contrast the mechanisms of polyspermy block in internal versus external fertilization.

A: When an egg is fertilized by more than one sperm it is called as polyspermy. Generally in diploid…

Q: Describe the path of a mature egg that is released and fertilized.

A: An egg is a female gamete and is released by the ovaries. At its release, it is at secondary oocyte…

Q: Explain fertilization of sea urchin from Recognition of egg and sperm, Gamete fusion

A: NOTE:- As you have mentioned multiple parts in one question, we will solve the first three parts for…

Q: Compare/Contrast the Ovarian Cycle to the Uterine Cycle.

A: Menstrual cycle can be described with the help of ovarian or uterine cycle.

Q: Give the approximate length of the various parts of the oviduct of a female chicken including its…

A: The different parts of oviduct of a female chicken along with their length are: Infundibulum: 2…

Q: Compare and contrast external versus internal fertilization. Describe at least three major…

A: External fertilization External fertilization is a mode of reproduction in which a male organism's…

Q: Diagram spermatogenesis in mammals. Begin with a spermatogonium possessing six chromosomes;…

A: Chromosome is a compact structure of a DNA molecule wrapped around some proteins. It is generally…

Q: Why is it necessary for the egg to have changes leading to polyspermy block during fertilization?

A: Polyspermy is a lethal condition in which one egg is feritilized by more than one sperm

Q: Explain the importance of calcium in internal and external fertilization.

A: The fusion of gametes, mainly from two opposite sexes, is referred to as fertilization. The…

Q: Briefly discuss the role of hormonal system in the release of bovine eggs for in vitro fertilization

A: In vitro fertilization (IVF) is a procedure in which eggs are removed from a female's ovaries and…

Q: How is and egg (oocyte) prepared during oogensis for fertilization? Why is preparation essential to…

A: The process of formation of gametes is known as gametogenesis. In females, oogenesis is a process of…

Q: Give gestation period of elephant, dog, cow.

A: The fertilization can be defined as the process in which the male sperm fuses with the female egg to…

Q: Provide and label an image of an egg that is in its early cleavage, distinguish this stage from…

A: Embryonic development: a. It is the development that occurs when the embryo is formed and develops…

Q: Explain in-vitro fertilization and embryo transfer in brief.

A: Introduction In this question we will explain in-vitro fertilization and embryo transfer.

Q: In traditional accounts of fertilization, which characteristics are associated with eggs, and which…

A: The female reproductive cell, or gamete, in most anisogamous species is the egg cell, or ovum…

Q: Explain how the embryo forms from the zygote

A:

Q: After the eighth week of development an embryos is referred to as what?

A: After the 8th week of development, the embryo is referred to as "fetus"